From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 7852) id 282B13857424; Wed, 28 Sep 2022 19:10:41 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 282B13857424 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1664392241; bh=8lonyER2iwhHN3aFMJ04wNUI/87pVDD3MQZBI23BG6Q=; h=From:To:Subject:Date:From; b=juF0rXuSnMttpdTEOpob1bqlV6s+ZOfXuheghUIew1+hAr89N7TdUT6c/j3Djho6O wVC2oFYg60R58Au3YA5FxFoa1vFNSZ4eABBwzsemVSbqOV47zCuGinz5qA+/blOB4x zR2OXtZy7kBP6JyFPrsnbs+psQunLzY906QhbumA= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Sunil Pandey To: glibc-cvs@sourceware.org Subject: [glibc/users/skpgkp2/2.33/master] AArch64: Add support for roundeven[f] X-Act-Checkin: glibc X-Git-Author: Wilco Dijkstra X-Git-Refname: refs/heads/users/skpgkp2/2.33/master X-Git-Oldrev: da7afc97ad9ddc817686d61f046277166ef42644 X-Git-Newrev: 6ff2a80fb6838f7a41a520d50839e448234b619f Message-Id: <20220928191041.282B13857424@sourceware.org> Date: Wed, 28 Sep 2022 19:10:41 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6ff2a80fb6838f7a41a520d50839e448234b619f commit 6ff2a80fb6838f7a41a520d50839e448234b619f Author: Wilco Dijkstra Date: Tue Jun 8 13:33:09 2021 +0100 AArch64: Add support for roundeven[f] Add inline assembler for the roundeven functions. Passes GLIBC regression. Note GCC does not inline the builtin (PR100966), so this cannot be used for now. (cherry picked from commit 6a86bc099219a656be479d5f31ff90ec7860b112) Diff: --- sysdeps/aarch64/fpu/s_roundeven.c | 29 +++++++++++++++++++++++++++++ sysdeps/aarch64/fpu/s_roundevenf.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 57 insertions(+) diff --git a/sysdeps/aarch64/fpu/s_roundeven.c b/sysdeps/aarch64/fpu/s_roundeven.c new file mode 100644 index 0000000000..d74b40daf5 --- /dev/null +++ b/sysdeps/aarch64/fpu/s_roundeven.c @@ -0,0 +1,29 @@ +/* Copyright (C) 2021 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include + +double +__roundeven (double x) +{ + asm volatile ("frintn \t%d0, %d1" : "=w" (x) : "w" (x)); + return x; +} +hidden_def (__roundeven) +libm_alias_double (__roundeven, roundeven) diff --git a/sysdeps/aarch64/fpu/s_roundevenf.c b/sysdeps/aarch64/fpu/s_roundevenf.c new file mode 100644 index 0000000000..dfc492c2f8 --- /dev/null +++ b/sysdeps/aarch64/fpu/s_roundevenf.c @@ -0,0 +1,28 @@ +/* Copyright (C) 2021 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include + +float +__roundevenf (float x) +{ + asm volatile ("frintn \t%s0, %s1" : "=w" (x) : "w" (x)); + return x; +} +libm_alias_float (__roundeven, roundeven)